Gen 2: 2006-2007 Battery not charging while driving with a new stator and battery - Kawasaki ZX-10R.net
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post #1 of 11 Old 10-19-2014, 01:33 PM Thread Starter
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Battery not charging while driving with a new stator and battery

Hey guys i own an 07 zx10r and im having issues with the battery charging while driving. I first had issues when the battery died on me while i was driving. I thought it was the battery because it was the original so i bought a brand new battery and still had the same issues and pulled the stator cover off and saw my stator was toast with all kinds of burn marks. I replaced that with a ricks stator and finally got everything back together and decided to not charge the battery to make sure it charges when i drive. I drove it for about 30 mins and the battery still didnt charge for some reason. I just need some help of how to figure out what the issue is.
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post #2 of 11 Old 10-19-2014, 02:06 PM
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If the stator is good, then the voltage regulator is probably shot. You need to check the voltages into and out of the regulator/rectifier to verify that it's bad.

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post #3 of 11 Old 10-19-2014, 04:36 PM
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^ Further to the above ...

If there is good AC voltage on the 3-phase input to the voltage regulator, and no proper DC coming out, the voltage regulator is bad (and could very well be the reason why the original stator fried itself).

Also check the wiring to the voltage regulator. Make sure the ground terminal has a good secure connection to chassis ground and battery negative, and make sure the positive terminal has a good connection to battery positive through the wiring harness.


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post #4 of 11 Old 10-19-2014, 05:53 PM
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When your battery is very discharged it is better to recharge it with a plug-in 2amp charger than the bike. Doing so puts lots of current through charging system (stator + regulator) for a long time. Charge with a car charger on 2amps.

After replacing anything electrical, the first thing is to make sure your bike is charging. Take seat off and measure battery voltage with bike off, should be 12.4 to 12.7v. Then start bike while watching voltage, idling should be low 13.xv. Regulators have slow startup so idle a minute then increase rpms to 4000 while watching voltage which should be low 14s up to 14.5v if charging well. No need to wait days and discharge the battery or get stuck somewhere.

A good place to get a regulator is www.roadstercycle.com They also have an LED battery monitor to sticky near your speedo cluster to know when your bike isn't charging so you can "get home soon". When charging stops you have about 30 minutes to run on battery power. HTH
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post #5 of 11 Old 11-01-2014, 04:15 PM Thread Starter
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Ok guys so i replaced the regulator/rectifier and the same issue continues to happen and i checked the wires and all seems to be good so any other ideas?
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post #6 of 11 Old 11-01-2014, 06:16 PM
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Ok guys so i replaced the regulator/rectifier and the same issue continues to happen and i checked the wires and all seems to be good so any other ideas?
Have you checked battery voltage to see if bike is charging? Need off (resting), engine running at idle voltage and engine running at 4000 rpms voltage. So what are your voltages?
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post #7 of 11 Old 11-02-2014, 05:53 AM Thread Starter
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its definitely not charging, voltage coming out of stator is all over 65, battery at idle is only 12v and at 4000rpm it remains the same
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post #8 of 11 Old 11-02-2014, 03:02 PM
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its definitely not charging, voltage coming out of stator is all over 65, battery at idle is only 12v and at 4000rpm it remains the same
Stator voltage is good over 60. This is ac volts not dc. Have to measure 3 phases: 1to2, 1to3 and 2to3. All should be the same and over 60vac. Have seen where one of Rick's stator wires was cut up inside of cloth sheath so only 2 phases were connected. Had to be done by oem manufacturer. Make sure all 3 wires are good. Only 5 wires on regulator, 3 ac inputs and two dc output to battery. Keep looking and check continuity of wiring.
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post #9 of 11 Old 11-10-2014, 11:36 AM Thread Starter
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Stator is all good they all put out the same voltage about 60
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post #10 of 11 Old 11-10-2014, 03:26 PM
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How do you drive a motorcycle does it have a steering wheel? You should put the handlebars on and ride it, its more fun then driving.

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